12 canlyniad
Rhestrir y canlyniadau yn ôl perthnasedd.
Cymraeg: synhwyrydd carbon deuocsid
Saesneg: carbon dioxide sensor
Cymraeg: carbon deuocsid
Saesneg: carbon dioxide
Cymraeg: nitrogen deuocsid
Saesneg: nitrogen dioxide
Cymraeg: sylffwr deuocsid
Saesneg: sulphur dioxide
Saesneg: metric tonnes of carbon dioxide equivalent
Saesneg: biphasic carbon dioxide gas mixture
Saesneg: The Storage of Carbon Dioxide (Access to Infrastructure) Regulations 2011
Saesneg: The Storage of Carbon Dioxide (Termination of Licences) Regulations 2011
Saesneg: The Storage of Carbon Dioxide (Licensing etc.) Regulations 2010
Saesneg: The Storage of Carbon Dioxide (Amendment etc.) (EU Exit) Regulations 2018
Saesneg: The Storage of Carbon Dioxide (Amendment and Power to Modify) (EU Exit) Regulations 2018
Saesneg: Environment Act 1995 (Feasibility Study for Nitrogen Dioxide Compliance) Air Quality Direction